Home / 104,707.80-157,002.04-71,468.12

Finding the Fourth Proportional to 104,707.80, 157,002.04 and 71,468.12

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Solution

The fourth proportional to 104,707.80, 157,002.04 and 71,468.12 is: 107,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,707.80 : 157,002.04 = 71,468.12 : x
  2. Step 2: Convert to fraction form
    104,707.80/157,002.04 = 71,468.12/x
  3. Step 3: Cross multiply
    104,707.80x = 157,002.04 × 71,468.12
  4. Step 4: Simplify right side
    104,707.80x = 11,220,640,634.96
  5. Step 5: Solve for x
    x = 11,220,640,634.96/104,707.80
  6. Step 6: Final answer
    x = 107,161.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.